Vaisala - Company Announcement

Conversion of unlisted shares series K into series A

Vaisala Oyj                       Stock Exchange Announcement
                            14.05.2009 at 12.00



Conversion of unlisted shares series K into series A


Vaisala Oyj's 6000 unlisted shares (series K) have been converted
into listed shares (series A). The conversion has been registered in
the Finnish Trade Register May 14, 2009. Listing of the new series A
shares has been applied for as of May 15, 2009.


Further information:
Jouni Lintunen, CFO, tel. +358 9 8949 2215 or +358 40 5790181

Vaisala Oyj



Distribution:
Helsinki Exchanges